Flagsmithvs
Unleash


Unleash: Another open-source feature flag platform with a similar self-hosted option.
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Overview
Flagsmith is an open-source feature flag and remote configuration platform that lets teams manage feature flags, segments, and A/B tests across web, mobile, and server applications. It is available as a hosted cloud service or self-hosted deployment, with SDKs for major languages and frameworks, and supports gradual rollouts, scheduled flags, and third-party integrations for engineering teams practicing continuous delivery.
The honest half
Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about Flagsmith.
Cross-shopped
Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.


Unleash: Another open-source feature flag platform with a similar self-hosted option.


LaunchDarkly: A widely used commercial feature management and experimentation platform.
Pricing
Taken from the vendor's own pricing page. Prices move, so check before you buy.
Free
Free
Start-Up
$45 /mo
Scale-Up
$300 /mo
Capabilities
Feature flags
Toggle features on and off per environment without redeploying
Segments
Target flag rollouts to specific user segments
A/B testing
Run experiments using flag variants
Scheduled flags
Schedule flag state changes for future dates
SDKs
Client and server SDKs across major languages and frameworks
SAML/SSO
Enterprise single sign-on and governance controls
Answered, with sources
Each answer names the page it came from, so you can check it rather than take our word for it.
Flagsmith has a Free plan, a Start-Up plan from $40-45/month, a Scale-Up plan from $250-300/month, and custom Enterprise pricing.
SourceThe Free plan supports up to 50,000 requests per month and 1 team member, with unlimited feature flags, environments, identities and segments.
SourceUsage is metered by monthly API requests; exceeding a plan's limit triggers overage charges starting around $50 per million requests, with a 30-day grace period the first time a paid plan exceeds its limit.
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